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day end

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This commit is contained in:
jonathan santis 2024-10-25 14:55:26 +02:00
parent 561caf560b
commit d45a70adcf
1 changed files with 13 additions and 5 deletions
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18
main.zig
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@ -71,7 +71,6 @@ fn getTermDimension() !Winsize {
} }
fn getNum(str1: []const u8) []u64 { fn getNum(str1: []const u8) []u64 {
//_ = str1;
var pos: u64 = 0; var pos: u64 = 0;
var num = std.mem.zeroes([64]u64); var num = std.mem.zeroes([64]u64);
var num_res = std.mem.zeroes([16]u64); var num_res = std.mem.zeroes([16]u64);
@ -137,6 +136,7 @@ fn fillBuffer() !void {
w = try getTermDimension(); w = try getTermDimension();
buffer_size = w.ws_row; buffer_size = w.ws_row;
buffer_size = buffer_size * w.ws_col * 4; buffer_size = buffer_size * w.ws_col * 4;
var buffer = try allocator.alloc(u8, buffer_size); //utf-8 can be 4 bytes long var buffer = try allocator.alloc(u8, buffer_size); //utf-8 can be 4 bytes long
defer allocator.free(buffer); defer allocator.free(buffer);
@ -151,10 +151,11 @@ fn fillBuffer() !void {
.c = Point{ .x = 30, .y = 1, .z = 0, .direction = .{ .x = 1, .y = 1, .z = 1 } }, .c = Point{ .x = 30, .y = 1, .z = 0, .direction = .{ .x = 1, .y = 1, .z = 1 } },
}; };
//clear buffer //video loop
while (true) { while (true) {
buffer[0] = 0; buffer[0] = 0;
i = 0; i = 0;
//clear buffer
while (i < buffer.len) : (i += 4) { while (i < buffer.len) : (i += 4) {
slice = buffer[i .. i + 4]; slice = buffer[i .. i + 4];
bytes_written = try std.unicode.utf8Encode(' ', slice); bytes_written = try std.unicode.utf8Encode(' ', slice);
@ -322,7 +323,14 @@ fn bresenham(buf: []u8, w: Winsize, p1: Point, p2: Point) !void {
} }
fn triangle(buffer: []u8, w: Winsize, vec: Vec3) !void { fn triangle(buffer: []u8, w: Winsize, vec: Vec3) !void {
_ = try bresenham(buffer, w, vec.a, vec.b); var vec_fill: Vec3 = vec;
_ = try bresenham(buffer, w, vec.b, vec.c); try bresenham(buffer, w, vec.a, vec.b);
_ = try bresenham(buffer, w, vec.c, vec.a); try bresenham(buffer, w, vec.b, vec.c);
try bresenham(buffer, w, vec.c, vec.a);
while (vec_fill.a.y < vec.c.y) : (vec_fill.a.y += 1) {
try bresenham(buffer, w, vec_fill.a, vec.b);
}
while (vec_fill.a.y > vec.c.y) : (vec_fill.a.y -= 1) {
try bresenham(buffer, w, vec_fill.a, vec.b);
}
} }